The Fan, cataloged under National Stock Number 4140-01-199-9771, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Dunham-Bush Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4140-01-199-9771 |
| Primary Part Number | 35B |
| Item Name | Fan |
| FSC / FSG | 4140 / 41 — No Item Name Available |
| Manufacturer | Dunham-Bush Inc |
| Status | ACTIVE |
| General Characteristics Item Description | AIR FOIL DESIGN,ADJUSTABLE BLADE PITCH,HIGH PERFORMANCE,HIGH EFFI- CIENCY,LOW NOISE LEVEL; HUB 7/8" BORE,3/16" KEY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 35B | Dunham-Bush Inc (USA) |
NSN 4140-01-199-9771 is a Fan, manufactured by Dunham-Bush Inc, classified under FSC 4140 (No Item Name Available). Status: active.
NSN 4140-01-199-9771 has 1 cross-referenced part number: 35B (Dunham-Bush Inc).
There are 8 known substitutes for 4140-01-199-9771: 5920-00-156-0838, 5999-00-242-0078, 4720-00-278-4920 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 35B: General Characteristics Item Description: AIR FOIL DESIGN,ADJUSTABLE BLADE PITCH,HIGH PERFORMANCE,HIGH EFFI- CIENCY,LOW NOISE LEVEL; HUB 7/8" BORE,3/16" KEY; End Item Identification: TEST STAND,HYDRAULIC. 2 total characteristics are documented in the Federal Logistics Information System.